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1. Which of the following is the major means of propulsion?
A
Swallowing
B
Segmentation
C
Peristalsis
2. Which branch of the autonomic nervous system stimulates GIT motility?
A
Somatic nervous system
B
Parasympathetic nervous system
C
Sympathetic nervous system
3. Which of the following is not a component of the enteric nervous system?
A
Myenteric plexus
B
Hepatopancreatic plexus
C
Submucosal plexus
4. Which of the following muscular layers of the stomach is absent in the intestines?
A
Longitudinal
B
Circular
C
Oblique
5. What are the three phases of gastric secretion?
A
Cephalic, esophageal, gastric
B
Cephalic, gastric, intestinal
C
Neural, hormonal, intestinal
6. Which is not a cell type in the gastric gland?
A
Surface epithelial cells
B
Chief cells
C
Parietal cells
7. Which is NOT produced by parietal cells of the stomach?
A
Hydrochloric acid
B
Intrinsic factor
C
Gastrin
8. Which of the following is a component of a portal triad of a liver lobule?
A
Hepatic portal vein
B
Bile duct
C
Common hepatic artery
9. What is the function of the gallbladder?
A
Production of bile pigments
B
Production of bile salts
C
Storage of bile
10. Pancreatic amylase acts on..?
A
Starch
B
Protein
C
Fat
11. Where can Paneth cells be found?
A
Gastric glands
B
Small intestinal crypts
C
Pancreatic ductal system
12. Trypsin activates inactive procarboxypeptidase to what?
A
Carboxypeptidase
B
Trypsinogen
C
Chymotrypsin
13. Which movement occurs most often in the large intestine?
A
Mass movements
B
Defecation
C
Haustral contractions
14. Brush border enzymes such as lactase and aminopeptidase are found where along the GIT?
A
Small intestine
B
Stomach
C
Large intestine
15. What is taken up into a lacteal in the small intestine?
A
Micelles
B
Chylomicrons
C
Nucleic acids
16. Which of the following is NOT absorbed in the large intestine?
A
Monosaccharides
B
B and K vitamins
C
Water
17. Which is an effect of cholecystokinin?
A
Decrease bile production
B
Stimulates HCl secretion
C
Expulsion of bile from gallbladder
18. Where does digestion of starch begin?
A
Mouth
B
Stomach
C
Small intestine